n: 40 m: 484 packed: 13 density: 0 nodes: 0 solveTime: 11200 buildTime: 140 solved: true
{0,2,18}
{1,14,39}
{3,23,28}
{4,30,36}
{5,6,7}
{8,10,19}
{9,29,34}
{11,13,33}
{15,25,31}
{16,24,32}
{17,20,38}
{21,22,27}
{26,35,37}